Constantino, V. M., & Mananghaya, R. (2004). An evaluation of the impact of moving customer service online: The e-GSIS experience. University of the Philippines Diliman.
Citace podle Chicago (17th ed.)Constantino, Vilma M., a Rufino Mananghaya. An Evaluation of the Impact of Moving Customer Service Online: The E-GSIS Experience. Quezon City: University of the Philippines Diliman, 2004.
Citace podle MLA (9th ed.)Constantino, Vilma M., a Rufino Mananghaya. An Evaluation of the Impact of Moving Customer Service Online: The E-GSIS Experience. University of the Philippines Diliman, 2004.
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